Full Speed Ahead Metropolis Patterson MegaExo 19 Bbottom Bracket English 68mm MFPN=100002699 } The BOS is named

} The BOS is named after the airport code for Boston

Brake Caliper Type Post MountMount | Rotor Size 140 Post | 160 RotorMount | Rotor Size 160 Post | 180 Rotor

Primary Color Black Closure Lace Shoe size 44 Gender Men Color Black

Color Black/Tan Flat Protection Tread and Sidewall TPI 60 Weight 440 Defined Color Black ISO Width (mm) 42 ISO Diameter 584 / 650b / 27

In-molded EPS + EPO impact foam for superior energy absorption

Full Speed Ahead Metropolis Patterson MegaExo 19 Bbottom Bracket English 68mm MFPN=100002699 } The BOS is namedFull Speed Ahead Metropolis Patterson MegaExo 19 Bbottom Bracket English 68mm. FSA (Full Speed Ahead) MegaExo 19 bottom brackets are for use with 19mm diameter spindles. TECH SPECS Bottom Bracket Shell I. D. 1. 37 BB Frame Interface English BB Shell Width (mm) 68 BB Shell Width (mm) 73 Weight 108 Spindle Interface Type FSA MegaExo 19 Defined Color Black